Τμήμα Μηχανικών Μηχανολογίας και Κατασκευαστικής / Department of Mechanical and Manufacturing Engineering: Recent submissions

Now showing items 561-580 of 1036

    • Article  

      Ideal physical element representation from reduced bond graphs 

      Louca, Loucas S.; Stein, J. L. (2002)
      Previous research has demonstrated that bond graphs are a natural and convenient representation to implement energy-based metrics that evaluate the relative 'value' of energy elements in a dynamic system model. Bond graphs ...
    • Conference Object  

      Model reduction of modal representations 

      Louca, Loucas S.; Xydas, E. (American Society of Mechanical Engineers (ASME), 2006)
      Dynamic analysis is extensively used to study the behavior of continuous and lumped parameter linear systems. In addition to the physical space, analyses can also be performed in the modal space where useful frequency ...
    • Conference Object  

      Analytical target cascading for the design of an advanced technology heavy truck 

      Louca, Loucas S.; Kokkolaras, M.; Delagrammatikas, G. J.; Michelena, N. F.; Filipi, Z. S.; Papalambros, P. Y.; Assanis, D. N. (American Society of Mechanical Engineers (ASME), 2002)
      Analytical target cascading (ATC) is a methodology that can be used during the early development stages of large and complex systems for propagating desirable overall product targets to appropriate individual specifications ...
    • Article  

      Multiscale computation for bioartificial soft tissues with complex geometries 

      Barocas, V. Η; Luo, X.-J.; Stylianopoulos, T.; Shephard, M. S. (2009)
      The mechanical function of soft collagenous tissues is inherently multiscale, with the tissue dimension being in the centimeter length scale and the underlying collagen network being in the micrometer length scale. This ...
    • Article  

      Generating proper dynamic models for truck mobility and handling 

      Louca, Loucas S.; Rideout, D. G.; Stein, J. L.; Hulbert, G. M. (2004)
      The effectiveness and utility of an energy-based model reduction algorithm for two different vehicle system modeling applications are discussed. The first case study focuses on the vehicle dynamics model of a military ...
    • Conference Object  

      Implementation of IEEE single precision floating point addition and multiplication on FPGAs 

      Louca, Loucas S.; Cook, Todd A.; Johnson, William H. (Affiliation: Rutgers Univ, Piscataway, United StatesCorrespondence Address: Louca, LoucasRutgers Univ, Piscataway, United States, 1996)
      Floating point operations are hard to implement on FPGAs because of the complexity of their algorithms. On the other hand, many scientific problems require floating point arithmetic with high levels of accuracy in their ...
    • Article  

      Energy-based model reduction methodology for automated modeling 

      Louca, Loucas S.; Stein, J. L.; Hulbert, G. M. (2010)
      In recent years, algorithms have been developed to help automate the production of dynamic system models. Part of this effort has been the development of algorithms that use modeling metrics for generating minimum complexity ...
    • Article  

      Modelling and reduction techniques for studies of integrated hybrid vehicle systems 

      Louca, Loucas S.; Yildir, B. U. (2006)
      Models of integrated vehicle systems are essential for designing hybrid vehicles by means of simulation-based optimization. Given the complexity of hybrid vehicle systems, designing is a time consuming process that requires ...
    • Conference Object  

      Model complexity of a cantilever beam: An energy-based approach 

      Louca, Loucas S. (Dime University of Genoa, 2015)
      The cantilever beam is a component widely used in numerous engineering systems with its geometric and material properties varying depending on the application. Calculating the dynamic behavior of a cantilever beam is a ...
    • Conference Object  

      Complexity of distributed parameter bond graph models 

      Louca, Loucas S. (The Society for Modeling and Simulation International, 2014)
      Modeling metrics and algorithms that assist the development of dynamic system models are essential for efficient use of modeling and simulation in everyday engineering tasks. Various modeling procedures have been proposed ...
    • Book Chapter  

      Model complexity of distributed parameter systems: An energy-based approach 

      Louca, Loucas S. (Springer International Publishing, 2016)
      Continuous components, like the cantilever beam, are widely used in numerous engineering systems with their geometric and material properties varying depending on the application. Calculating the dynamic behavior of a ...
    • Conference Object  

      Bond graph based modal decomposition of systems with non-proportional damping 

      Louca, Loucas S. (Affiliation: Department of Mechanical and Manufacturing Engineering, University of Cyprus, 75 Kallipoleos Street, Nicosia 1678, CyprusCorrespondence Address: Louca, L.S.Department of Mechanical and Manufacturing Engineering, University of Cyprus, 75 Kallipoleos Street, Nicosia 1678, Cyprusemail: lslouca@ucy.ac.cy, 2012)
      Modal analysis of lumped parameter and continuous dynamic linear systems is extensively used to study their dynamic behavior and controller design. In both cases, a reduction of the model size that does not degrade accuracy ...
    • Article  

      Power conserving bond graph based modal representations and model reduction of lumped parameter systems 

      Louca, Loucas S. (2014)
      Dynamic analysis is extensively used to study the behavior of continuous and lumped parameter linear systems. In addition to the physical space, analyses can also be performed in the modal space where very useful frequency ...
    • Article  

      Modal analysis reduction of multi-body systems with generic damping 

      Louca, Loucas S. (2014)
      Modal analysis of multi-body systems is broadly used to study the behavior and controller design of dynamic systems. In both cases, model reduction that does not degrade accuracy is necessary for the efficient use of these ...
    • Conference Object  

      Bond graph based modal representations and model reduction of lumped parameter systems 

      Louca, Loucas S. (Affiliation: Department of Mechanical and Manufacturing Engineering, University of Cyprus, 75 Kallipoleos Street, Nicosia 1678, CyprusCorrespondence Address: Louca, L.S.Department of Mechanical and Manufacturing Engineering, University of Cyprus, 75 Kallipoleos Street, Nicosia 1678, Cyprusemail: lslouca@ucy.ac.cy, 2006)
      Modal analysis is extensively used to study dynamic behavior of continuous and lumped parameter linear systems. More specifically, modal analysis can be used for the analysis and controller design of dynamic systems. In ...
    • Article  

      Finite segment model complexity of an Euler-Bernoulli beam 

      Louca, Loucas S. (2015)
      A common approach for modeling the dynamic behavior of distributed parameter systems is the approximation through finite-segment models. These models are able to accurately predict the dynamic behavior of the system given ...
    • Conference Object  

      Modal analysis reduction of multi-body systems with generic damping 

      Louca, Loucas S. (Caltek s.r.l., 2012)
      Modal analysis of multi-body systems is broadly used to study the behavior and controller design of dynamic systems. In both cases, model reduction that does not degrade accuracy is necessary for the efficient use of these ...
    • Article  

      Experimental methods for flow and aerosol measurements in human airways and their replicas 

      Lizal, F.; Jedelsky, J.; Morgan, K.; Bauer, K.; Llop, J.; Cossio, U.; Kassinos, Stavros C.; Verbanck, S.; Ruiz-Cabello, J.; Santos, A.; Koch, E.; Schnabel, C. (2018)
      Recent developments in the prediction of local aerosol deposition in human lungs are driven by the fast development of computational simulations. Although such simulations provide results in unbeatable resolution, significant ...
    • Article  

      Syntheses, crystal Structures and electronic Structures of new metal chalcoiodides Bi2CuSe3I and Bi6Cu3S10I 

      Liang, I.-C.; Bilc, D. I.; Manoli, M.; Chang, W.-Y.; Lin, W.-F.; Kyratsi, Theodora; Hsu, K. F. (2016)
      Two new metal chalcoiodides were synthesized by solid-state reactions at 400 °C. Crystal Data: Bi2CuSe3I, 1, monoclinic, C2/m, a=14.243(2) Å, b=4.1937(7) Å, c=14.647(2) Å, β=116.095(2)°, V=785.7(2) Å3, and Z=4
    • Article  

      Modelling and control of a medium-duty hybrid electric truck 

      Lin, C.-C.; Filipi, Z.; Louca, Loucas S.; Peng, H.; Assanis, D.; Stein, J. (2004)
      The main contributions of this paper are the development of a forward-looking hybrid vehicle simulation tool, and its application to the design of a power management control algorithm, The hybrid electric vehicle simulation ...